Flights from St. Louis to Steilacoom

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$189 Roundtrip, found 11 hours ago

$189

Roundtrip

found 11 hours ago

Select Delta flight, departing Tue, Oct 7 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Oct 18, priced at $189 found 11 hours ago

Sun, Oct 5 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$223 Roundtrip, found 11 hours ago

$223

Roundtrip

found 11 hours ago

Select Delta flight, departing Sun, Oct 5 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Oct 18, priced at $223 found 11 hours ago

Mon, Jun 16 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$224 Roundtrip, found 18 hours ago

$224

Roundtrip

found 18 hours ago

Select Delta flight, departing Mon, Jun 16 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, Jun 26, priced at $224 found 18 hours ago

Mon, Jun 9 - Thu, Jun 12

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$229 Roundtrip, found 4 days ago

$229

Roundtrip

found 4 days ago

Select Delta flight, departing Mon, Jun 9 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, Jun 12, priced at $229 found 4 days ago

Thu, Oct 2 - Mon, Oct 13

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$248 Roundtrip, found 11 hours ago

$248

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Mon, Oct 13, priced at $248 found 11 hours ago

Fri, Oct 3 - Fri, Oct 17

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$249 Roundtrip, found 11 hours ago

$249

Roundtrip

found 11 hours ago

Select Hawaiian Airlines flight, departing Fri, Oct 3 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, Oct 17, priced at $249 found 11 hours ago

Wed, Jun 11 - Thu, Jun 12

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$254 Roundtrip, found 4 days ago

$254

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jun 11 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, Jun 12, priced at $254 found 4 days ago

Sat, Jun 14 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$259 Roundtrip, found 18 hours ago

$259

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, Jun 27, priced at $259 found 18 hours ago

Fri, Oct 3 - Sun, Oct 12

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$260 Roundtrip, found 11 hours ago

$260

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, Oct 3 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Oct 12, priced at $260 found 11 hours ago

Mon, Jun 9 - Sun, Jun 15

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$262 Roundtrip, found 4 days ago

$262

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Jun 15, priced at $262 found 4 days ago

Fri, Jun 13 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$264 Roundtrip, found 18 hours ago

$264

Roundtrip

found 18 hours ago

Select Delta flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, Jun 26, priced at $264 found 18 hours ago

Fri, Jun 13 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$270 Roundtrip, found 18 hours ago

$270

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, Jun 27, priced at $270 found 18 hours ago

Wed, Jun 11 - Sat, Jun 14

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jun 11 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Jun 14, priced at $289 found 4 days ago

Sat, Jun 14 - Sat, Jun 21

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$289 Roundtrip, found 18 hours ago

$289

Roundtrip

found 18 hours ago

Select Alaska Airlines flight, departing Sat, Jun 14 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Jun 21, priced at $289 found 18 hours ago

Tue, Jun 10 - Tue, Jun 17

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Tue, Jun 10 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 17, priced at $289 found 4 days ago

Wed, Jun 11 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$291 Roundtrip, found 18 hours ago

$291

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Wed, Jun 11 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, Jun 27, priced at $291 found 18 hours ago

Fri, Jun 13 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$299 Roundtrip, found 18 hours ago

$299

Roundtrip

found 18 hours ago

Select Delta flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $299 found 18 hours ago

Fri, Jun 13 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$300 Roundtrip, found 18 hours ago

$300

Roundtrip

found 18 hours ago

Select United flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $300 found 18 hours ago

Tue, Jun 10 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$308 Roundtrip, found 18 hours ago

$308

Roundtrip

found 18 hours ago

Select American Airlines flight, departing Tue, Jun 10 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $308 found 18 hours ago

Fri, Jun 13 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$316 Roundtrip, found 18 hours ago

$316

Roundtrip

found 18 hours ago

Select United flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 24, priced at $316 found 18 hours ago